[2] On May 15, 2020, Ouyang entered a Super Rookie Cup for Wu Lin Feng in the 70 kg division that would serve as determining a new national champion while international competition wasn't possible due to the COVID-19 pandemic.
[4] On November 27, 2021, Ouyang faced Han Wenbao for the third time at Wu Lin Feng 2021: World Contender League 7th Stage.
[5] On March 26, 2022, Ouyang saw his 15 fights win streak come to an end when he faced Luo Chao for the third time in the final of a four-man tournament at Wu Lin Feng 528.
[6] On March 18, 2023, Ouyang defeated veteran Christian Baya by unanimous decision on Wu Lin Feng 535: China vs Netherlands.
[10] Ouyang faced the former Glory Lightweight champion Davit Kiria at Wu Lin Feng 2024: 12th Global Kung Fu Festival on January 27, 2024.